Hourglasses have been used through the centuries and still maintain a high symbolic value. They are aesthetically pleasing ornaments, rather than accurate timepieces. Clear glass has a "mercury" glass finish--silver accents inside. An elegant, impressive accessory for your desk and a nice executive gift for the office. Tan color sand. 30 minute hourglass timer. Measures D3.2x8". Merchandise Display (click image to enlarge).